TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
203-266	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	00/00/0000	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0))
203-266 is split into 1,000-number blocks - detail below
203-266-0XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-1XXX	CT	ONVOY, LLC - CT (Sinch)	0004323028	RMD0001966	639C	WOODBURY	NOCLLIKNOWN	04/27/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-266-2XXX	CT	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	WOODBURY	NOCLLIKNOWN	07/10/2013	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-266-3XXX	CT	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	WOODBURY	NOCLLIKNOWN	02/28/2014	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-266-4XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-5XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-6XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-7XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-8XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))
203-266-9XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	WOODBURY	SOBYCT00DS0	N/A	Prefix Type: ICO Switch Name: SOUTHBURY Switch Type: N/A LATA: N/A Tandem: N/A 🔧 Explore Switch(CLLI: SOBYCT00DS0 ))